CN117052654A - High-precision temperature-control electronic oil pump - Google Patents
High-precision temperature-control electronic oil pump Download PDFInfo
- Publication number
- CN117052654A CN117052654A CN202311034365.1A CN202311034365A CN117052654A CN 117052654 A CN117052654 A CN 117052654A CN 202311034365 A CN202311034365 A CN 202311034365A CN 117052654 A CN117052654 A CN 117052654A
- Authority
- CN
- China
- Prior art keywords
- oil
- stator
- hollow shaft
- gear
- lubricating oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003921 oil Substances 0.000 claims abstract description 73
- 239000010687 lubricating oil Substances 0.000 claims abstract description 33
- 238000004804 winding Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/008—Enclosed motor pump units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/28—Safety arrangements; Monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0096—Heating; Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/20—Rotary pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
- F04C2240/603—Shafts with internal channels for fluid distribution, e.g. hollow shaft
Abstract
The invention discloses a high-precision temperature-control electronic oil pump, which comprises a pump shell with an inner cavity, wherein an oil inlet is arranged at the bottom of the pump shell, an oil outlet is arranged at the side part of the pump shell, a stator component is arranged in the inner cavity of the pump shell, a rotor iron core is arranged at the inner side of the stator component, a hollow shaft is arranged inside the rotor iron core in a penetrating way, a gear set is sleeved outside the hollow shaft, the gear set comprises an inner gear and an outer gear meshed with the inner gear, the hollow shaft is fixed at the center hole of the inner gear, and the rotor iron core drives the gear set to rotate so as to pressurize lubricating oil flowing in from the oil inlet, so that one path of the pressurized lubricating oil flows to the stator component through the hollow shaft, the stator component is cooled, and the lubricating oil subjected to heat exchange flows back to a low pressure area.
Description
Technical Field
The invention relates to the technical field of parts of a vehicle lubricating system and/or a cooling system, in particular to a high-precision temperature control electronic oil pump capable of realizing efficient cooling.
Background
Copper wires in a stator of an automobile driving motor can emit a large amount of heat because of continuous high current, in order to prevent the stator in the driving motor from being damaged due to overhigh temperature of the stator of the driving motor, oil in a gearbox is needed to cool the stator in the driving motor, a temperature sensor is designed on only a stator part of the driving motor in the current electric driving three-in-one system, the temperature sensor can monitor the temperature of the stator of the driving motor in real time, and when the temperature of the stator of the motor reaches a temperature-lowering point, the whole automobile TCU outputs corresponding data to an electronic oil pump controller
And (5) a rotating speed instruction.
The Chinese patent with publication number CN115405519A discloses an electronic oil pump assembly for detecting the lubricating oil temperature of a gearbox in real time, which comprises an electric machine body and an oil pump cover, wherein a temperature sensor and a wire harness are arranged in the electric machine body, and the oil pump cover is arranged on the front surface of the electric machine body; a motor stator assembly is arranged in the motor body, and a rotor assembly is assembled and arranged on the inner side of the motor stator assembly; the back of the motor body is provided with a controller assembly, a temperature sensor and a wire harness are arranged in the motor body of the electronic pump, two through holes are designed on the motor body and are respectively communicated with the oil pumping cavity of the electronic pump and the oil pumping port of the electronic pump, lubricating oil can flow to the position of the temperature sensor probe through the oil pumping port of the oil pump and the through holes on the motor body, the detected oil temperature of the temperature sensor can be conveyed to the electronic pump controller through wires, the electronic pump can monitor the temperature of lubricating oil in the gearbox in real time, but the low-pressure oil in the oil inlet part of the electronic pump flows into the motor through the side holes, so that the flowing path of the lubricating oil is complex, and the cooling effect is reduced.
The invention provides a high-precision temperature control electronic oil pump for effectively cooling a stator winding.
Disclosure of Invention
In view of the problems existing in the prior art, the invention aims to provide a high-precision temperature-control electronic oil pump, which effectively reduces the temperature of a heating element.
The technical scheme of the invention is as follows:
the utility model provides a high accuracy control by temperature change electronic oil pump, includes the pump casing that has the inner chamber, the bottom of pump casing is equipped with the oil inlet, and wherein the oil-out sets up in the lateral part of pump casing, the inner chamber of pump casing is equipped with stator module, the rotor core is installed to stator module inboard, the inside hollow shaft that runs through of rotor core is installed, the outside cover of hollow shaft is equipped with the gear train, the gear train includes internal gear and the external gear that meshes with the internal gear, the hollow shaft is fixed in the centre bore department of internal gear, drives the rotation of gear train through the rotor core and pressurizes the lubricating oil that flows in from the oil inlet for the pressurized one way lubricating oil is through cavity axial compressor to stator module, cools off stator module, and the lubricating oil that takes place the heat exchange flows back to the low pressure region again; wherein the pressurized other path of lubricating oil is directly discharged from the oil outlet through the high-pressure area.
Further, a filter screen is arranged at the oil inlet.
Further, a hub for simplifying winding is arranged above the stator assembly, a control circuit board is arranged above the hub, a heat insulation sealing plate is arranged between the control circuit board and the hub, and the heat insulation sealing plate is matched and connected with the hub for fixation.
Further, a temperature sensor for detecting the temperature of the feedback lubricating oil is arranged on the heat-insulating sealing plate, and the temperature sensor is electrically connected with the control circuit board.
Further, a rotary transformer for monitoring the position of the hollow shaft is welded on the control circuit board.
Further, the stator assembly comprises a stator insulation block and a stator winding mounted on the stator insulation block, and the stator winding pipe is penetrated on the hub by feet.
Further, an electric control heat dissipation rear cover is arranged at the rear end of the pump housing and is positioned above the control circuit board, and the electric control heat dissipation rear cover is honeycomb-shaped; the side face of the pump shell is provided with a power inlet end which is electrically connected with the control circuit board.
Further, a ball bearing is arranged between the rotor core and the gear set.
Compared with the prior art, the invention has the following beneficial effects:
1) According to the technical scheme, the hollow shaft is arranged inside the rotor iron core in a penetrating manner, the gear set is sleeved outside the hollow shaft, the rotor iron core drives the gear set to rotate to pressurize lubricating oil flowing in from the oil inlet, so that one path of pressurized lubricating oil flows to the stator assembly through the hollow shaft to cool the stator assembly, and further the working efficiency of the electronic oil pump is improved;
2) Compared with the traditional electronic oil pump, the time spent by the lubricating oil flowing to one path of the stator assembly is less, and the cooling effect is ensured;
3) Compared with the traditional electronic oil pump, the heat-insulating sealing plate is provided with the temperature sensor, so that the temperature of the feedback lubricating oil can be detected in real time;
4) The hub is arranged above the stator assembly, so that the design of the electric control assembly is simplified, the traditional winding process is simplified, a solution is provided for the coarse copper wire winding process, and the technical difficulty and cost are reduced;
5) The heat-insulating sealing plate is arranged between the control circuit board and the concentrator, so that an oil way and an electric control part are separated, and the tightness is improved;
6) Compared with the traditional electronic oil pump with a screw assembly fixing structure, the invention adopts physical hot pressing or structural clearance fit.
7) The electronic oil pump is reasonable in structural design, and the temperature of the heating element is effectively reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a high-precision temperature-controlled electronic oil pump of the present invention;
FIG. 2 is a cross-sectional view of a high-precision temperature-controlled electronic oil pump of the present invention;
fig. 3 is a schematic top view of the pump housing of the present invention.
In the figure: 1. a pump housing; 101. an oil inlet; 102. an oil outlet; 103. an oil passage; 2. a rotor core; 3. a hollow shaft; 4. An internal gear; 5. an external gear; 6. a hub; 7. a control circuit board; 8. a heat insulating sealing plate; 9. a stator insulation block; 10. a stator winding; 11. an electric control heat dissipation rear cover; 12. a power supply inlet end; 13. a ball bearing; 14. a filter screen; 15. a resolver; 16. a temperature sensor.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of protection of the invention is not limited to the described scope.
As shown in fig. 1-3, a high-precision temperature-control electronic oil pump comprises a pump housing 1 with an inner cavity, wherein an oil inlet 101 is arranged at the bottom of the pump housing 1, an oil outlet 102 is arranged at the side part of the pump housing 1, and the pump housing 1 is integrally cast, so that the whole electronic oil pump is more stable.
The inner cavity of the pump housing 1 is provided with a stator assembly, a rotor iron core 2 is arranged on the inner side of the stator assembly, a hollow shaft 3 is arranged in the rotor iron core 2 in a penetrating manner, a gear set is sleeved outside the hollow shaft 3 and comprises an inner gear 4 and an outer gear 5 meshed with the inner gear 4, the hollow shaft 3 is fixed at the center hole of the inner gear 4, the rotor iron core 2 drives the gear set to rotate so as to pressurize lubricating oil flowing in from an oil inlet 101, so that one path of pressurized lubricating oil flows to the stator assembly through the hollow shaft 3 to cool the stator assembly, and the lubricating oil subjected to heat exchange flows back to a low pressure area; while the pressurized other path of lubricating oil is discharged directly from oil outlet 102 via the high-pressure region.
In this embodiment, the oil channel 103 is provided on the pump housing 1, the inner rotating shaft in the conventional electronic oil pump is solid, and low pressure oil in the oil inlet part flows into the motor through the side hole, so that the flow path of the lubricating oil is complex, the cooling effect is reduced, and the time spent by the lubricating oil flowing to one path of the stator assembly is less, and the cooling effect is ensured. Specifically, in the present invention, the lubrication oil is pressurized by the inner gear 4 and the separation and engagement with the outer gear 5.
Further, a filter screen 14 is arranged at the oil inlet 101 to filter lubricating oil.
In order to simplify the design of the electric control assembly and simplify the traditional winding, the hub 6 is arranged above the stator assembly in the invention, thereby not only providing a solution for the thick copper wire winding process, but also reducing the technical difficulty and cost.
The control circuit board 7 is arranged above the hub 6, the electric control heat dissipation rear cover 11 is arranged at the rear end of the pump housing 1 and is positioned above the control circuit board 7, and the electric control heat dissipation rear cover 11 is honeycomb-shaped, so that the rapid heat dissipation of the heating element is facilitated; the side of the pump housing 1 is provided with a power inlet end 12, and the power inlet end 12 is electrically connected with the control circuit board 7.
In order to separate the oil circuit and the electric control part, a heat-insulating sealing plate 8 is arranged between the control circuit board 7 and the hub 6, so that the tightness is improved, the heat-insulating sealing plate 8 is matched and connected with the hub 6 for fixation, and a screw assembly and fixation structure is avoided in the oil pump.
In this embodiment, a temperature sensor 16 for detecting the temperature of the feedback lubricating oil is mounted on the heat-insulating sealing plate 8, and the temperature sensor 16 is electrically connected to the control circuit board 7.
In addition, a resolver 15 for monitoring the position of the hollow shaft 3 is welded to the control circuit board 7.
In this embodiment, the stator assembly comprises a stator insulation block 9 and a stator winding 10 mounted on the stator insulation block 9, the stator winding 10 being pipe-threaded on the hub 6.
In the present embodiment, a ball bearing 13 is provided between the rotor core 2 and the gear set, and the pump end face clearance of the electronic oil pump is controlled by inserting the ball bearing 13 with axial force into the pump cover.
The invention discloses a method for cooling a stator assembly by an electronic oil pump, which comprises the following steps:
1) Firstly, switching on the equipment and switching on a switch, electrifying a control circuit board 7, converting the electricity into three-phase electricity by the control circuit board 7, supplying power to a stator winding 10 on a hub 6, driving a rotor core 2 to rotate by electromagnetic force, and enabling lubricating oil flowing in from an oil inlet 101 to enter a low-voltage area after passing through a filter screen 14 by rotating the rotor core 2;
2) The rotor iron core 2 rotates to drive the internal gear 4 on the hollow shaft 3 to rotate, the internal gear 4 rotates to drive the external gear 5 to rotate, centrifugal force is generated by utilizing the difference between the internal gear and the external gear to supply oil for pressurizing, one path of pressurized lubricating oil passes through the lowest oil path of the hollow shaft 3 and reaches the stator winding 10 through the inner cavity of the hollow shaft to cool the stator winding, the cooled lubricating oil returns to the low-pressure area of the oil path through the ball bearing 13, at the moment, the temperature sensor 16 feeds back the current temperature value of the oil, and feeds back the current temperature value of the oil to the control circuit board 7, and the control circuit board 7 feeds back the current temperature value of the oil to an external control system;
3) The pressurized other path of lubricating oil passes through the high-pressure region and is discharged directly from the oil outlet 102.
Claims (8)
1. The utility model provides a high accuracy control by temperature change electronic oil pump, includes pump housing (1) that has the inner chamber, the bottom of pump housing (1) is equipped with oil inlet (101), and wherein oil-out (102) set up in the lateral part of pump housing (1), the inner chamber of pump housing (1) is equipped with stator module, rotor core (2) are installed to stator module inboard, characterized in that rotor core (2) are inside to run through and install hollow shaft (3), hollow shaft (3) outside cover is equipped with the gear train, the gear train includes internal gear (4) and external gear (5) that mesh with internal gear (4), hollow shaft (3) are fixed in the centre bore department of internal gear (4), drive the gear train rotation through rotor core (2) and pressurize the lubricating oil that flows in from oil inlet (101), make the pressurized one way lubricating oil flow to stator module through hollow shaft (3), cool down stator module, the lubricating oil that takes place heat exchange flows back to the low pressure area again; wherein the pressurized further lubricating oil is discharged directly from the oil outlet (102) via the high-pressure zone.
2. A high precision temperature controlled electronic oil pump according to claim 1, characterized in that a filter screen (14) is provided at the oil inlet (101).
3. The high-precision temperature-control electronic oil pump according to claim 1, characterized in that a hub (6) for simplifying winding is arranged above the stator assembly, a control circuit board (7) is arranged above the hub (6), a heat-insulating sealing plate (8) is arranged between the control circuit board (7) and the hub (6), and the heat-insulating sealing plate (8) is fixedly connected with the hub (6) in a matched connection mode.
4. A high-precision temperature-controlled electronic oil pump according to claim 3, characterized in that a temperature sensor (16) for detecting the temperature of the feedback lubricating oil is mounted on the heat-insulating sealing plate (8), and the temperature sensor (16) is electrically connected with the control circuit board (7).
5. The high-precision temperature-control electronic oil pump according to claim 4, wherein a resolver (15) for monitoring the position of the hollow shaft (3) is welded on the control circuit board (7).
6. A high precision temperature controlled electronic oil pump according to claim 5, characterized in that the stator assembly comprises a stator insulation block (9) and a stator winding (10) mounted on the stator insulation block (9), the stator winding (10) being pipe-threaded on the hub (6).
7. The high-precision temperature-control electronic oil pump according to claim 6, characterized in that an electric control heat dissipation rear cover (11) is arranged at the rear end of the pump housing (1) and is positioned above the control circuit board (7), and the electric control heat dissipation rear cover (11) is honeycomb-shaped; the side of the pump housing (1) is provided with a power inlet wire end (12), and the power inlet wire end (12) is electrically connected with the control circuit board (7).
8. A high precision temperature controlled electronic oil pump according to claim 7, characterized in that a ball bearing (13) is arranged between the rotor core (2) and the gear set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311034365.1A CN117052654A (en) | 2023-08-17 | 2023-08-17 | High-precision temperature-control electronic oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311034365.1A CN117052654A (en) | 2023-08-17 | 2023-08-17 | High-precision temperature-control electronic oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117052654A true CN117052654A (en) | 2023-11-14 |
Family
ID=88668844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311034365.1A Pending CN117052654A (en) | 2023-08-17 | 2023-08-17 | High-precision temperature-control electronic oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117052654A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117450065A (en) * | 2023-12-21 | 2024-01-26 | 中国第一汽车股份有限公司 | Electronic oil pump device and vehicle |
-
2023
- 2023-08-17 CN CN202311034365.1A patent/CN117052654A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117450065A (en) * | 2023-12-21 | 2024-01-26 | 中国第一汽车股份有限公司 | Electronic oil pump device and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070241627A1 (en) | Lubricant cooled integrated motor/compressor design | |
| EP3228867B1 (en) | Screw compressor | |
| CN117052654A (en) | High-precision temperature-control electronic oil pump | |
| CN206237254U (en) | Motor liquid cooling structure | |
| CN103441611B (en) | A kind of permanent magnet axial direction plunger type electro-hydraulic pump with speed feedback | |
| US5529114A (en) | Electric vehicle coolant pump assembly | |
| CN107503806A (en) | Turbine | |
| US5072145A (en) | Composite center module housing using specifically shaped segments to form fluid channels | |
| CN109713820A (en) | A kind of oil immersed type magneto | |
| CN111823853A (en) | Dual-drive system and vehicle | |
| US20230118102A1 (en) | An electric turbomachine | |
| CN104300738B (en) | Motor and controller assembly of integrated structure | |
| CN203423578U (en) | Permanent magnet radial plunger type electro-hydraulic pump with rotating speed feedback | |
| CN113442861A (en) | Cooling and lubricating device of electric drive assembly and electric drive assembly | |
| WO2021147130A1 (en) | Hub motor having built-in control system | |
| CN206555143U (en) | A kind of electronic water pump for automobile | |
| CN203135650U (en) | Intelligent oil-cooled motor | |
| CN110071602B (en) | Integrated electric drive system oil-cooled motor | |
| CN117605681A (en) | High-integration electronic oil pump | |
| CN113746269A (en) | Double-cooling heat dissipation system and method for hub motor | |
| CN218235462U (en) | Electronic oil pump assembly for detecting temperature of lubricating oil of gearbox in real time | |
| CN220857786U (en) | Upper frame structure of hydraulic generator | |
| CN205583906U (en) | Air compressor machine is with directly driving PMSM | |
| CN219627516U (en) | Motor structure, electric drive system, power device and vehicle | |
| CN220065800U (en) | Battery thermal management water cooling unit and battery thermal management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |